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TechRadar
Eric Hal Schwartz

Grok 4.1 is trying too hard to impress – and ChatGPT 5.1 makes it look easy

Grok on a smartphone.

xAI released Grok 4.1, the latest edition of its line of AI models, with claims that it is faster, wittier, and more emotionally sophisticated than not only its predecessors, but its rivals. With its penchant for spicy comebacks, Grok 4.1 is supposedly designed to be not just capable, but charismatic.

Meanwhile, OpenAI's new GPT-5.1 model, now embedded in ChatGPT 5.1, has its own boasts of complex and expressive responses. Both claim new heights of personality, empathy, and trustworthiness.

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